Over time, it’s normal for teeth to become discolored or stained. This happens because teeth are slightly porous, meaning that they absorb some of the foods and liquids that they come into contact with. Foods and drinks containing tannins, such as coffee, tea, red wine, and berries are well-known for increasing the risk of teeth becoming stained. Smoking is another common cause of tooth discoloration, not only because it increases the development of plaque and tartar on the teeth, but because the nicotine also stains the teeth. Nevertheless, a white smile is extremely desirable and teeth whitening is the most sought-after cosmetic dentistry treatment in the world.
Teeth whitening works by bleaching the teeth so that any discoloration and staining are removed. Whitening also lightens the overall color of the teeth, lifting them so that the teeth look brighter, lighter, and healthier than before. In-office whitening is considered to be the most effective treatment for lightening teeth, producing better and longer-lasting results much more quickly than over-the-counter alternatives.